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Use of bioresorbable polymers in cochlear implants and other implantable devices

  • US 5,653,742 A
  • Filed: 10/31/1995
  • Issued: 08/05/1997
  • Est. Priority Date: 09/20/1995
  • Status: Expired due to Term
First Claim
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1. An implantable therapeutic device comprising:

  • an elongated member having a plurality of electrodes mounted on said member and having a first configuration selected to allow said member to be inserted into a patient'"'"'s body and a second configuration wherein said elongated member is adapted to apply a preselected therapy with said electrodes, said elongated member being made of a first material, said first material being flexible; and

    a sheath enveloping said elongated member, said sheath having a shape selected for biasing said elongated member into said first configuration, said sheath being made of a second material stiffer than said first material, wherein said second material is soluble in body fluids, so that after insertion into said body, said sheath dissolves, allowing said sheath to take said second configuration.

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